Method and system for detecting quality of service of service, and device

Abstract

A method and system for detecting quality of service of a service, and a device, to detect quality of service of a service in real time. The method includes: generating, by a packet sending device, a first packet, where the first packet includes session information of a service and a packet type of the first packet; and sending, by the packet sending device, the first packet to a packet receiving device, where the first packet is used to detect at least one of quality of service of the service or segment quality of service of the service.

What is claimed is: 
     
         1 . A system for detecting quality of service of a service, wherein the system for detecting quality of service of a service comprises:
 a packet sending device; and   a packet receiving device;   wherein
 the packet sending device is configured to send a first packet to the packet receiving device, wherein the first packet comprises session information of a service and a packet type of the first packet; and 
 the packet receiving device is configured to: receive the first packet from the packet sending device, and determine at least one of quality of service of the service or segment quality of service of the service based on the session information of the service and the packet type of the first packet. 
   
     
     
         2 . The system for detecting quality of service of a service according to  claim 1 , wherein:
 the packet sending device comprises a network device;   the packet receiving device comprises a terminal; and   the system for detecting quality of service of a service further comprises an access device;   wherein
 the access device is configured to:
 receive the first packet from the network device, and determine first segment quality of service of the service, wherein the first segment quality of service of the service comprises quality of service of the service transmitted on a path between the access device and the network device; and 
 insert first segment information of the service and the first segment quality of service of the service into the first packet, and send the first packet to the terminal. 
 
   
     
     
         3 . The system for detecting quality of service of a service according to  claim 2 , wherein
 the access device is further configured to receive the first segment information of the service from a session management function network element; and   the first segment information of the service comprises:
 a first segment identifier of the service; or 
 an address of the network device, an address of the access device, and a packet transmission direction; or 
   an address of the access device.   
     
     
         4 . The system for detecting quality of service of a service according to  claim 1 , wherein:
 the packet sending device comprises a terminal;   the packet receiving device comprises a network device; and   the system for detecting quality of service of a service further comprises an access device; wherein
 the access device is configured to:
 receive the first packet from the terminal, and determine second segment quality of service of the service, wherein the second segment quality of service of the service comprises quality of service of the service transmitted on a path between the access device and the terminal; and 
 insert second segment information of the service and the second segment quality of service of the service into the first packet, and send the first packet to the network device. 
 
   
     
     
         5 . The system for detecting quality of service of a service according to  claim 4 , wherein
 the access device is further configured to receive the second segment information of the service from a session management function network element; and   the second segment information of the service comprises:
 a second segment identifier of the service; or 
 an address of the terminal, an address of the access device, and a packet transmission direction; or 
 an address of the access device. 
   
     
     
         6 . The system for detecting quality of service of a service according to  claim 1 , wherein the packet sending device is further configured to:
 obtain the session information of the service and the packet type of the first packet; and   encapsulate the session information of the service and the packet type of the first packet by using a first network protocol stack, to obtain the first packet.   
     
     
         7 . The system for detecting quality of service of a service according to  claim 1 , wherein:
 the packet receiving device comprises a terminal;   the packet sending device comprises a network device;   the first packet further comprises first segment information of the service and first segment quality of service of the service, wherein the first segment quality of service of the service comprises quality of service of the service transmitted on a path between an access device and the network device; and   the packet receiving device is further configured to: determine the quality of service of the service based on the session information of the service and the packet type of the first packet; and determine second segment quality of service of the service based on the first segment information of the service, the first segment quality of service of the service, and the quality of service of the service, wherein the second segment quality of service of the service comprises quality of service of the service transmitted on a path between the access device and the terminal.   
     
     
         8 . The system for detecting quality of service of a service according to  claim 1 , wherein:
 the packet receiving device comprises a network device;   the packet sending device comprises a terminal;   the first packet further comprises second segment information of the service and second segment quality of service of the service, wherein the second segment quality of service of the service comprises quality of service of the service transmitted on a path between an access device and the terminal; and   the packet receiving device is further configured to: determine the quality of service of the service based on the session information of the service and the packet type of the first packet; and determine first segment quality of service of the service based on the second segment information of the service, the second segment quality of service of the service, and the quality of service of the service, wherein the first segment quality of service of the service comprises quality of service of the service transmitted on a path between the access device and the network device.   
     
     
         9 . The system for detecting quality of service of a service according to  claim 1 , wherein:
 the packet receiving device comprises a terminal;   the packet sending device comprises a network device;   the first packet further comprises a first detection identifier, the first detection identifier indicates to detect the quality of service of the service; and   the packet receiving device is further configured to: determine the quality of service of the service based on the first detection identifier, the session information of the service, and the packet type of the first packet; and receive a second packet from an access device, the second packet comprises the session information of the service, a packet type of the second packet, and a second detection identifier, the second detection identifier indicates to detect second segment quality of service of the service, and the second segment quality of service of the service comprises quality of service of the service transmitted on a path between the access device and the terminal; determine the second segment quality of service of the service based on the session information of the service, the packet type of the second packet, and the second detection identifier; and determine first segment quality of service of the service based on the second segment quality of service of the service and the quality of service of the service, the first segment quality of service of the service comprises quality of service of the service transmitted on a path between the access device and the network device.   
     
     
         10 . A packet sending device, comprising:
 at least one processor; and   a non-transitory computer computer-readable storage medium coupled to the at least one processor and configured to store instructions for execution by the at least one processor such that when executed, cause the packet sending device to:   generate a first packet, wherein the first packet comprises session information of a service and a packet type of the first packet; and   send the first packet to a packet receiving device, wherein the first packet is used to detect at least one of quality of service of the service or segment quality of service of the service.   
     
     
         11 . The packet sending device according to  claim 10 , wherein the at least one processor is configured to execute the instructions to cause the packet sending device to:
 obtain the session information of the service and the packet type of the first packet; and   encapsulate the session information of the service and the packet type of the first packet by using a first network protocol stack, to obtain the first packet.   
     
     
         12 . The packet sending device according to  claim 11 , wherein:
 the packet sending device comprises a terminal, and the packet receiving device comprises an access device or a network device; or the packet sending device comprises the access device, and the packet receiving device comprises the terminal; and   the session information of the service is encapsulated by using at least one of a service data adaptation protocol (SDAP) or a packet data convergence protocol (PDCP) in the first network protocol stack, and the packet type of the first packet is encapsulated by using the SDAP or the PDCP in the first network protocol stack.   
     
     
         13 . The packet sending device according to  claim 11 , wherein:
 the packet sending device comprises an access device, and the packet receiving device comprises a network device; or the packet sending device comprises the network device, and the packet receiving device comprises a terminal or the access device; and   the session information of the service and the packet type of the first packet are encapsulated by using a GPRS tunnelling protocol for the user plane (GTP-U) in the first network protocol stack.   
     
     
         14 . A packet receiving device, comprising:
 at least one processor; and   a non-transitory computer computer-readable storage medium coupled to the at least one processor and configured to store instructions for execution by the at least one processor such that when executed, cause the packet receiving device to:   receive a first packet from a packet sending device, wherein the first packet comprises session information of a service and a packet type of the first packet; and   determine at least one of quality of service of the service or segment quality of service of the service based on the session information of the service and the packet type of the first packet.   
     
     
         15 . The packet receiving device according to  claim 14 , wherein:
 the packet receiving device comprises a terminal;   the packet sending device comprises a network device;   the first packet further comprises first segment information of the service and first segment quality of service of the service, wherein the first segment quality of service of the service comprises quality of service of the service transmitted on a path between an access device and the network device; and   the at least one processor is configured to execute the instructions to cause the packet receiving device to:
 determine the quality of service of the service based on the session information of the service and the packet type of the first packet; and 
 determine second segment quality of service of the service based on the first segment information of the service, the first segment quality of service of the service, and the quality of service of the service, wherein the second segment quality of service of the service comprises quality of service of the service transmitted on a path between the access device and the terminal. 
   
     
     
         16 . The packet receiving device according to  claim 14 , wherein:
 the packet receiving device comprises a network device;   the packet sending device comprises a terminal;   the first packet further comprises second segment information of the service and second segment quality of service of the service, wherein the second segment quality of service of the service comprises quality of service of the service transmitted on a path between an access device and the terminal; and   the at least one processor is configured to execute the instructions to cause the packet receiving device to:
 determine the quality of service of the service based on the session information of the service and the packet type of the first packet; and 
 determine first segment quality of service of the service based on the second segment information of the service, the second segment quality of service of the service, and the quality of service of the service, wherein the first segment quality of service of the service comprises quality of service of the service transmitted on a path between the access device and the network device. 
   
     
     
         17 . The packet receiving device according to  claim 14 , wherein:
 the packet receiving device comprises a terminal;   the packet sending device comprises a network device;   the first packet further comprises a first detection identifier, wherein the first detection identifier is used to indicate to detect the quality of service of the service; and   the at least one processor is configured to execute the instructions to cause the packet receiving device to:
 determine the quality of service of the service based on the first detection identifier, the session information of the service, and the packet type of the first packet; 
 receive a second packet from an access device, wherein the second packet comprises the session information of the service, a packet type of the second packet, and a second detection identifier, the second detection identifier is used to indicate to detect second segment quality of service of the service, and the second segment quality of service of the service comprises quality of service of the service transmitted on a path between the access device and the terminal; 
 determine the second segment quality of service of the service based on the session information of the service, the packet type of the second packet, and the second detection identifier; and 
 determine first segment quality of service of the service based on the second segment quality of service of the service and the quality of service of the service, wherein the first segment quality of service of the service comprises quality of service of the service transmitted on a path between the access device and the network device. 
   
     
     
         18 . The packet receiving device according to  claim 14 , wherein:
 the packet receiving device comprises a terminal;   the packet sending device comprises an access device;   the first packet further comprises a second detection identifier, wherein the second detection identifier is used to indicate to detect second segment quality of service of the service, and the second segment quality of service of the service comprises quality of service of the service transmitted on a path between the access device and the terminal; and   the at least one processor is configured to execute the instructions to cause the packet receiving device to:
 determine the second segment quality of service of the service based on the second detection identifier, the session information of the service, and the packet type of the first packet; 
 receive a second packet from a network device, wherein the second packet comprises the session information of the service, a packet type of the second packet, and a first detection identifier, and the first detection identifier is used to indicate to detect the quality of service of the service; 
 determine the quality of service of the service based on the session information of the service, the packet type of the second packet, and the first detection identifier; and 
 determine first segment quality of service of the service based on the second segment quality of service of the service and the quality of service of the service, wherein the first segment quality of service of the service comprises quality of service of the service transmitted on a path between the access device and the network device. 
   
     
     
         19 . The packet receiving device according to  claim 14 , wherein:
 the packet receiving device comprises a network device;   the packet sending device comprises an access device;   the first packet further comprises a third detection identifier, wherein the third detection identifier is used to indicate to detect first segment quality of service of the service, and the first segment quality of service of the service comprises quality of service of the service transmitted on a path between the access device and the network device; and   the at least one processor is configured to execute the instructions to cause the packet receiving device to:
 determine the first segment quality of service of the service based on the third detection identifier, the session information of the service, and the packet type of the first packet; 
 receive a second packet from a terminal, wherein the second packet comprises the session information of the service, a packet type of the second packet, and a first detection identifier, and the first detection identifier is used to indicate to detect the quality of service of the service; 
   determine the quality of service of the service based on the session information of the service, the packet type of the second packet, and the first detection identifier; and   determine second segment quality of service of the service based on the first segment quality of service of the service and the quality of service of the service, wherein the second segment quality of service of the service comprises quality of service of the service transmitted on a path between the access device and the terminal.   
     
     
         20 . The packet receiving device according to  claim 14 , wherein:
 the packet receiving device comprises a network device the packet sending device comprises a terminal;   the first packet further comprises a first detection identifier, wherein the first detection identifier is used to indicate to detect the quality of service of the service; and   the at least one processor is configured to execute the instructions to cause the packet receiving device to:
 determine the quality of service of the service based on the first detection identifier, the session information of the service, and the packet type of the first packet; 
 receive a second packet from an access device, wherein the second packet comprises the session information of the service, a packet type of the second packet, and a third detection identifier, the third detection identifier is used to indicate to detect first segment quality of service of the service, and the first segment quality of service of the service comprises quality of service of the service transmitted on a path between the access device and the network device; 
 determine the first segment quality of service of the service based on the session information of the service, the packet type of the second packet, and the third detection identifier; and 
 determine second segment quality of service of the service based on the first segment quality of service of the service and the quality of service of the service, wherein the second segment quality of service of the service comprises quality of service of the service transmitted on a path between the access device and the terminal.